The PS3's software emulation of PS2 games can be hit-or-miss. For the best performance:
While never received an official digital release on the PlayStation Store for the PS3, it is available to play on jailbroken consoles (CFW or HEN) as a PS2 Classic PKG . This version utilizes Sony's built-in software emulation to run the original 2001 PlayStation 2 title on later PS3 hardware. PS3 PKG Availability and Installation
Sony officially released The Wrath of Cortex on the PlayStation Store in certain regions as part of their PS2 Classics line. This official PKG comes pre-compiled with Sony's proprietary emulator, meaning it features custom configuration files (CONFIG) designed to make the game run as smoothly as possible without manual tweaking. 2. Custom PS2 Classics Placeholders (PS3Hen / CFW)